Add new car in GTA

Hello guys .....
if you still play GTA san andreas but bore with old car/map/ and other things then this post is for you.
today i am going to tell you how to add new sports car/bike in GTA manually
well all thing you have to need is img tool click here to download and new car/bike/etc files
you can get these from this site gtainside.com Or click here ...
here you will find thousand of new car/truck/bike/maps and mods.......
so lets talk about cars..
I like this car

download it from here
after downloading you will get a zip/rar file so firstly extract it with the help of winrar or any other tool which have....
After extracting you will get two files infernus.dff and infernus.txd
now open img tool and press ctrl+L or click on open.. after that browse to gta folder where it is install
like D:\games\GTA-SanAndreas\GTA-SanAndreas\models here D is my drive and may be it is in your c drive so find it ....
after opeaning model folder click on gta3 file and open it
you will get list of all car and many other things
after that in your img tool click on edit and then click in find..
type infernus.dff and search , when you get this file then click on that and replace it which new file and after that replace txd file and then close img tool... and done
..
open gta and type everyoneisrich and soon you will see this car on road...
hope you understant all the step..
thanks